How to add new id ( which is already deleted in database ) using haruncpi / laravel-id-generator

Question

I am using IdGenerator and this is good shortcut to add new ID with out any errors. Now i created new ID say Cust-01, Cust-02, Cust-03... Meantime i deleted "Cust-02" id from database so my new id data is Cust-01, Cust-03 and so on After i create new id it start with "Cust-04" whereas i wanted to get is Cust-02. How can i do the same. Haruncpi\LaravelIdGenerator\IdGenerator

$cowid = IdGenerator::generate(['table' => 'cowdata','field'=>'cowID', 'length' => 6, 'prefix' =>'Cow-']);